What information it holds on the number of patients that have participated in clinical trials in each year since 2015, broken down by (a) c…

The total number of participants in clinical studies carried out between 2015-16 and 2021-22 ranged between 32,443 and 45,394 per year. Figures broken down per study type and clinical specialty are outlined in the table. Data broken down by gender is not available centrally.
Table 1. Number of participants by study type and portfolio area per year.
Studies & Portfolio Areas
FY15-16
FY16-17
FY17-18
FY18-19
FY19-20
FY20-21
FY21-22
Total
Audit/Evaluation
5
10
41
56
Cancer
5
5
Cardiovascular
10
41
51
Basic science
3219
3478
4696
6535
6198
17836
6894
48856
Ageing
42
33
75
Anaesthesia
5
39
149
121
13
327
Cancer
1090
834
465
523
482
170
747
4311
Cardiovascular
330
367
471
571
723
723
401
3586
Children
47
160
637
1297
1138
30
41
3350
Critical Care
299
76
29
73
52
767
574
1870
Dermatology
10
61
53
31
12
42
209
Diabetes
132
534
542
454
365
19
99
2145
Gastroenterology
89
396
482
290
486
1743
Genetics
53
41
550
520
117
33
189
1503
Haematology
6
3
8
15
407
1
2
442
Hepatology
140
145
14
0
9
13
321
Infectious Diseases and Microbiology
237
9
0
236
14316
2804
17602
Mental Health
160
86
99
83
63
42
48
581
Metabolic and Endocrine Disorders
272
88
115
243
108
19
30
875
Musculoskeletal
4
27
80
161
202
32
69
575
Neuroprogressive and Dementia
51
203
208
511
273
150
152
1548
Ophthalmology
3
1
32
97
44
0
10
187
Oral and Dental Health
31
133
35
43
242
Primary Care
25
26
51
Renal Disorders
116
21
41
37
83
26
42
366
Reproductive Health and Childbirth
46
363
287
220
49
20
12
997
Respiratory disorders
78
344
497
247
155
320
374
2015
Stroke
130
94
311
661
644
379
313
2532
Surgery
15
19
30
44
16
11
135
Trauma and Emergencies
17
213
193
340
405
1168
Uncategorised
82
1
17
100
Combined
3
18
3
0
20
44
Cancer
3
3
Cardiovascular
18
0
20
38
Hepatology
0
3
3
Respiratory disorders
0
0
CTIMP
3669
3854
3629
6168
5220
7665
5677
35882
Ageing
10
44
85
33
172
Anaesthesia
3
0
3
6
Cancer
863
945
1072
1121
965
474
779
6219
Cardiovascular
630
706
919
1833
1778
674
862
7402
Children
43
465
181
639
81
40
76
1525
Critical Care
2
13
14
24
78
231
165
527
Dermatology
41
42
35
29
50
12
1
210
Diabetes
247
96
111
768
877
85
36
2220
Ear, Nose and Throat
18
33
3
51
33
0
8
146
Gastroenterology
14
9
26
42
29
13
2
135
Genetics
58
14
13
24
109
Haematology
3
6
14
21
5
3
3
55
Hepatology
67
99
99
140
106
22
36
569
Infectious Diseases and Microbiology
4
6
49
5
40
5083
2379
7566
Mental Health
20
2
0
7
6
25
27
87
Metabolic and Endocrine Disorders
12
0
7
22
0
0
41
Musculoskeletal
97
143
59
98
40
303
566
1306
Neuroprogressive and Dementia
256
163
118
130
94
128
146
1035
Ophthalmology
14
16
4
5
10
24
14
87
Oral and Dental Health
358
170
5
533
Pain
0
40
15
16
71
Primary Care
44
20
18
0
82
Renal Disorders
195
65
31
51
183
64
37
626
Reproductive Health and Childbirth
360
347
223
148
93
16
91
1278
Respiratory disorders
232
149
185
292
255
284
131
1528
Stroke
321
335
248
252
219
145
189
1709
Surgery
54
38
53
65
23
23
256
Trauma and Emergencies
115
82
62
22
0
0
82
363
Uncategorised
15
1
3
19
Data
336
260
678
628
321
1214
495
3932
Anaesthesia
101
18
119
Cancer
21
16
48
24
23
71
136
339
Cardiovascular
78
33
14
0
7
34
17
183
Children
0
2
0
0
16
0
128
146
Critical Care
1
24
4
29
Dermatology
0
6
6
Diabetes
257
78
335
Ear, Nose and Throat
0
3
3
Gastroenterology
13
4
10
27
Haematology
50
22
25
231
1
329
Infectious Diseases